From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: kernel 2.6.25-rc7 highly unstable on high load Date: Thu, 27 Mar 2008 16:01:32 +0100 Message-ID: <47EBB6CC.1000102@trash.net> References: <20080327062502.M51594@visp.net.lb> <20080326.234049.256533912.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: denys@visp.net.lb, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org To: David Miller Return-path: In-Reply-To: <20080326.234049.256533912.davem@davemloft.net> Sender: netfilter-devel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org David Miller wrote: > From: "Denys Fedoryshchenko" > Date: Thu, 27 Mar 2008 08:35:06 +0200 > >> It seems i am having very bad luck with 2.6.27. As Linus told, it have to be >> released soon, but it is crashing like hell on high network load. > > That's amazing, you've taken a trip into the future and are running > 2.6.27 already, please let me borrow your time machine :-) > > More seriously, there is obviously something very unique to your > setup or else everyone would be reporting this crash, and we have > to find out what that might be. > > There seems to be bunch of netfilter stuff in your traces, but > the top of the trace is somewhere totally unrelated. This is > a common reoccurance in your crash traces, making them less > useful than they could be. > > I know you asked before what can be done to improve the traces, > but I'm not an x86 expert so I have no idea how to help you > in that area. > > Patrick, could you see if you can make any sense of his log? > I see conttrack a lot in the backtraces. The conntrack stuff looks harmless, I went through the code just to make sure, but I can't see anything wrong there.